6kVA – 48kVA
208/120 VAC or 240/120 VAC Single Phase
Scalable modular UPS with N+1 redundancy and universal slots for continuous, high-efficiency power in residential, edge, and industrial applications.
The Xtreme Power M90S-12S is the largest chassis in the M90S single-phase modular UPS family, delivering up to 48 kW of scalable online double-conversion protection. With 12 universal slots, each bay can hold either a power module or a battery module, giving maximum flexibility to configure for capacity, redundancy, or extended runtime.
The M90S-12S includes a 10” color touch LCD display, front-access only design, integrated maintenance bypass, and hot-swappable modules. It delivers reliable, clean power for demanding applications — from advanced AV systems to edge compute containers and luxury residential energy platforms.
The M90S-12S UPS is built for enterprise, AV, and luxury residential environments requiring extended runtime and large-scale single-phase power:
The M90S-12S UPS provides 6–48 kW of scalable single-phase protection in a front-access modular chassis. With universal slots, extended runtime options, and a 10” system LCD, it is the premium choice for AV, broadcast, edge compute, and whole-home luxury applications.
Contact Us | View All Products
(800) 582-4524
| MODEL NUMBER | M90S-12S6K | M90S-12S12K | M90S-12S18K | M90S-12S24K | M90S-12S30K | M90S-12S36K | M90S-12S42K | M90S-12S48K | |
| CAPACITY | Power Rating | 6kW | 12kW | 18kW | 24kW | 30kW | 36kW | 42kW | 48kW |
| INPUT | Voltage/Frequency Nominal | 120/208V or 120/240V // 50/60Hz auto-sensing | 120/240V | ||||||
| Connections | 2PH+N+G | ||||||||
| OUTPUT | Voltage & Frequency | 120/208V or 120/240V // 50/60Hz auto-sensing | 120/240V | ||||||
| Connections | 2PH+N | ||||||||
| Efficiency / THD (full load) | Up to 98% ECO mode, 93% online mode / ≤2% (Linear load);≤3% (Non linear load) | ||||||||
| Overload Capacity | 100% – 110% for 30 min; 110% – 130% for 5min; 130% – 150% for 10s; > 150% for 200ms | ||||||||
| BATTERY SYSTEM | Nominal Voltage | +/-96VDC (default) or +/-120VDC | |||||||
| Max charging (adjustable) | 4A per Power Module | ||||||||
| MODULE | Power Module | 16.3”W x 24”D x 5.2”H / 38 lbs | |||||||
| DIMENSIONS | Battery Module (M90S-BMXRV2) | 16.3”W x 24”D x 5.2”H / 107 lbs | |||||||
| & WEIGHT | Battery Module (M90-BCBAT) | 7.3”W x 38.5”D x 3.2”H / 85 lbs | |||||||
| ENCLOSURE | M90S-12S UPS | 23.6”W x 36.0” D x 79.1”H // 586 lbs without modules | |||||||
| DIMENSIONS & WEIGHTS | M90-BC External Battery Cabinet | 23.6”W x 43.8” D x 79.1”H // 416 lbs without modules | |||||||
| ENVIRONMENT | Temperature | 0–40°C (32–104°F) | |||||||
| Altitude | 5,200 ft above sea level | ||||||||
| APPROVALS | UL-1778 (TUV), cUL, FCC A, RoHS | ||||||||
| WARRANTY | 3 year electronics, 3 year battery (USA and Canada) | ||||||||
| COMMUNICATIONS INTERFACE | RS-232, USB, dry contacts, EPO, (2) intelligent slots for optional cards (Web/SNMP, Relay, Modbus) | ||||||||
| INCLUDED IN BOX | User manual, USB cable, RS-232, ViewPower software, standard anchor brackets | ||||||||